Inequalities- ! tricia receives a $5 allowance every week. she also earns $6.50 for every hour that she baby-sits. next week she wants to earn at least $21.25 to buy a present. write an inequality to math this equation.

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

Can someone me with my math problem pls my teacher is on my back about this